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revision 1.519 by heimbach, Thu Jul 28 14:35:47 2005 UTC revision 1.590 by heimbach, Tue Dec 13 19:53:52 2005 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7  o adding precip control xx_precip  o gmredi: fix bugs in slope tapering ldd97 (depthZ had the wrong sign)
8  o moved ptracer ctrl index 17 -> 32       and update lab_sea output.txt file.
9    o completing 3-dim. relaxation code: additional term
10         1/tau*( theta(i,j,k) - thetaStar(i,j,k) )
11      in S/R EXTERNAL_FORCING_T (file external_forcing.F)
12      * At compile time, in "EXF_OPTIONS.h" set
13          #define  ALLOW_CLIMTEMP_RELAXATION
14          #define  ALLOW_CLIMSALT_RELAXATION
15      * At runtime in "data", under &PARM03 set (e.g., units in seconds)
16          tauThetaClimRelax3Dim = 15552000.0,
17          tauSaltClimRelax3Dim  = 15552000.0,
18      * 3 cases:
19          1) Use a constant-in-time 3-dim. field
20          2) Provide 12 3-dim. fields corresponding to Jan., ... , Dec.
21          3) Real-time relax. to time-evolving prescribed field
22    
23    checkpoint57y_post
24    First step for a NLFS adjoint
25    o initially suppress rStar (new flag DISABLE_RSTAR_CODE)
26    o new init. routines for calc_r_star, calc_surf_dr
27    o still need to deal with ini_masks_etc
28    o testreport seemed happy
29    checkpoint57y_pre
30    
31    o obcs: always reset wVel & eta (to zero or prescribe it) at the OBs.
32    o add new package rbcs (for relaxing ptracers at boundaries/depth/surface etc)
33    o add new offset feature to offline pkg (plus minor cleanup)
34    o cfc fixes for final year of integration
35    o clean up GCHEM_OPTIONS.h/DIC_OPTIONS.h (all options should
36      be in GCHEM_OPTIONS).
37    
38    checkpoint57x_post
39    o fix testreport Pb in multiple test experiment.
40    o cleanup our namelist syntax in verification:
41      - make it more F95 standards compliant (some work still needed)
42      - allows the vast majority of our tests to work with gfortran
43    o Non-Hydrostatic:
44     - put all NH variables (formerly in DYNVARS.h & GW.h) in NH_VARS.h
45     - fix exchange calls for CS-grid using the new EXCH_S3D_RL.
46    o Allow to apply AB on T,S rather than on AB(gT,gS):
47     - implemented within #ifdef ALLOW_ADAMSBASHFORTH_3
48     - use the same arrays (gtNm,gsNm) to hold tracer field at previous
49       time-steps (if AB(T,S)) and tendencies (if AB(gT,gS)).
50     - need a "clever" read_pickup to restart from the other AB formulation
51    o move local commom bloc /GlobalLo/ (used for singleCpuIO) in EESUPPORT.h
52    o remove some unused variables (reduces number of compiler warnings)
53    o adjoint
54      * Disable useVariableViscosity for adjoint for time being
55        (there are a number of extensive recomputations)
56      * Initialize certain variables needed for adjoint
57    
58    checkpoint57w_post
59    o pkg/mdsio: use MAX_LEN_FNAM (instead of hard coded 80) for file-names
60                 fix the singleCpuIO RS version of MDSWRITEFIELD
61       and add a WARNING if using globalFiles=T with multi-processors.
62    o write grid-file(s) in only one format (MDS or MNC): default=MNC (if
63      using MNC); can force MDS output by setting writegrid_mnc=F in data.mnc
64    o tracer advection scheme:
65      add DST-2 (=Lax-Wendroff) & 1rst order upwind schemes (the way to get
66       those 2 schemes before, changing GAD_FLUX_LIMITER.h + to recompile,
67       was not very convenient).
68      add implicit version for DST-3 & DST3_Flux_Limit vertical advection;  
69       (further tests needed for the implicit DST & Flux-Limiter schemes).
70    o PTRACERS: added namelist parameter PTRACERS_ref in analogy to tRef
71      and sRef for convenience, handy, when you want to initialize
72      ptracers in a large domain with a constant non-zero value. Also,
73      untangle ptracers_init.F a little.
74    
75    checkpoint57v_post
76    o change dome exp. to use variable viscosity in side-drag terms.
77    o remove all the files from the cfc_offline test since they are now
78      incorporated into tutorial_cfc_offline which has been producing
79      identical results for a few days of testing
80    o add new parameter: sideDragFactor to enable half-slip-side BC
81      and change side-drag S/R to use viscosity from mom_calc_visc
82      (can switch back by setting sideDragFactor=0.); affects results at
83      truncation level; regenerate output for exp.: global_ocean.cs32x10(x3),
84       global_ocean_ebm, global_ocean_pressure, matrix_example & MLAdjust(x5).
85    o vorticity & strain are now computed without masking, to account for
86      no-slip-side BC in variable viscosity calculation ; mask is applied
87      anyway later on, before computing advection/coriolis terms.
88    o modify exp4 to test new obcs support for reading from external files
89      and for passive tracers
90    o fix behavior of ptracers_monitor when monitor output is written to a
91      netcdf-file; still not independent of monitor.F (writes in the same
92      file).
93    o change default value of tRef (put a uniform, meaningful value for ocean
94      & atmos) and initialize sRef (was missing, as Martin mentioned).
95    o Redefine viscC?Leith*.  Change the coefficients of Leith viscosity
96      to be proportional to enstrophy dissipation length.  Thus,
97       viscC?leith?_new=pi*(viscC?leith?_old)^(1/3)
98      This is now consistent with Smagorinsky and with the manual.
99    
100    checkpoint57u_post
101    o OBCS and PTRACERS: add open boundary support for passive tracers
102      - either use homogenous (pseudo) v.Neumann conditions or prescribe
103        OB-values from file; this is not different from the way theta and salinity
104        are treated
105      - however, Orlanski-radiation conditions are not supported, and the model
106        will stop if you use pTracers and Orlanski at the same time.
107      - beefed up the rountine obcs_external_fields_load: now only those open
108        boundary values are overwritten with values from files for which there
109        are really files, otherwise the OB-fields remain untouched. This makes
110        it possible to use different OBs at different ends of the domain (as
111        with EXF)
112    o reduce number of exch calls in shap_filt (s2).
113    o CS-grid: fix divergence contribution to Leith viscosity. Affects (@
114      truncation level) 4/5 MLAdjust test results (11&12 digits match).
115    
116    checkpoint57t_post
117    o test biharmonic viscosity + no-slip with exp: global_ocean.cs32x15.viscA4
118    o finish adding brackets (coriolis S/R, vecinv) in multi-terms sum to get
119      same truncation, independent of the face number: affects affects several
120      test. exp.: Update global_ocean.cs32x15 (+.thsice) & MLAdjust (all 5).
121    o fix bug in mom_v_sidedrag (biharmonic viscosity was counted 2 times);
122      note that biharmonic viscosity + no-slip was not tested in any experiment.
123    o fix bug in non-linear free-surf side-drag ; generate new output for
124      global_ocean.cs32x15(+.thsice) & global_ocean_pressure.
125    o make mnc honor the writeBinaryPrec flag for most kinds of output
126    o eesupp: split EEPARAMS into EESIZE/EEPARAMS and add a vector global sum
127    o minor change in averaging W (mom_vi_?_vertshear.F) that affects truncation
128      error; update output from global_ocean.cs32x15(+.thsice) & MLAdjust (all 5).
129    o add brackets in multi-terms sum to get same truncation, independent of
130      the face number (manage to get exactly same value of gU,gV at the cs-edge)
131      affects several test. exp. Update global_ocean.cs32x15 (+.thsice).
132    o Clean, new version of mom_calc_visc.  Adds a new feature, viscAhRemax
133      and viscA4Remax, which allow one to limit the minimum viscosity by specifying
134      a maximum grid-scale Reynolds number.  Also, changes all length calculations
135      in the case of grid anisotropy to geometric mean of dx**2 and dy**2.
136      Suggested values of viscosity parameters found in mom_calc_visc.
137      Many new viscosity diagnostics available.
138    
139    checkpoint57s_post
140    o Add clearing-house for viscosity calculations, mom_calc_visc and
141      correct numerous bugs in LeithD and Smagorinsky discretizations.  
142      mom_calc_visc now allows for Smagorinsky, Leith and LeithD to be
143      used simultaneously, and to be used in mom_vecinv and mom_fluxform.
144      Mom_vecinv can be used with standard viscous calculation (mom_vi_hdissip.F)
145      and with Strain-Tension viscous term calculation (mom_hdissip.F).  
146      The Strain-Tension form is now called with useStrainTensonVisc=.true.
147      ViscAhStrain and viscAhTension are now retired.
148    o diagnostics "VISCAHD" & "VISCA4D" replace "VISCAH" & "VISCA4".
149    o In response to JMC's bug report, genmake2 now ignores any soft-links
150      that it finds in the *current* directory when searching for files.
151      Soft-links found in any other source directories will still work as
152      they did before.
153    o add HAVE_SETRLSTK define and useSETRLSTK flag (eedata) which calls
154      a C routine to unlimit the stack size
155    o mnc-ify pkg/aim snapshot vars
156    o mnc-ify pkg/land as requested by Daniel
157    o various changes to mnc including:
158      - all files use the new "BASENAME[[.ITER].{t|f}NUM].nc" format
159      - output can now be grouped so that all files within a group
160          change the ITER portion of their names in lock-step together
161      - can now read ("global") PER-FACE (in addition to PER-TILE) files
162          and works with both EXCH1 and EXCH2 (but needs more testing)
163      - writing works for all verification test cases w/ g77 on Linux
164    
165    checkpoint57r_post
166    o make MNC variable initialization happen earlier
167    o add diagnostics for (almost) each term of the momentum Eq.
168    o remove SST,SSS,UVEL_k2,VVEL_k2 diagnostics.
169    o move pkg timeave out of pkg-groups "oceanic" & "atmospheric" (pkg/pkg_groups)
170    o remove MINIMAL_TAVE_OUTPUT option ;
171      add "dumpInitAndLast" to replace "nodumps" (and MINIMAL_TAVE_OUTPUT).
172    o move some basic S/R (used elsewhere in the code) from pkg/mdsio to eesupp/src
173      allows to compile without pkg/mdsio (& test successfully hs94.1x64x5)
174    o add MNC output for adjoint of EXF (adexf), SEAICE (adseaice)
175    o add time-dependent SST, SSS control
176    o cost terms in ecco/ modularized (new cost_generic.F)
177    o cost_averages routines are modularized (new cost_averagesgeneric.F)
178    o new infrastructure for seaice model vs. obs misfits in seaice/
179      * driver from the_main_loop.F is seaice_cost_driver.F
180      * first term is AREA vs. SMR observation misfit (ALLOW_SEAICE_COST_SMR_AREA)
181      * gradient check in Exp. 6a of natl_box_adjoint/
182    o natl_box_adjoint input_seaice for Lab. Sea now available online via wget
183      (see README file)
184    
185    checkpoint57q_post
186    o fix initialisation Pb in calc_gw (get NANs in exp5 with g77)
187    o fix annoying months-old bug in mnc/mdsio output for seaice pkg
188      - bug was reported by Jean-Michel and Ian Fenty
189    o fix initialization Pb in AIM-Ocean coupled model (aim_sice2aim.F)
190      update exp. cpl_aim+ocn output.
191    o Implement 4-level checkpointing: AUTODIFF_4_LEVEL_CHECKPOINT
192      Needed for high-res. runs with large global files
193      to be able to limit tapelev size
194    o Changed some tests for adjoint:
195      * carbon/ now tests AUTODIFF_2_LEVEL_CHECKPOINT
196      * natl_box_adjoint/code_bulk/ tests AUTODIFF_4_LEVEL_CHECKPOINT
197      * global_ocean.90x40x15/ back to default 3-level checkpointing
198    o Modifications to enable scripted COMMON to MODULE conversion
199      * verification/OpenAD/code/ has necessary scripts and description;
200      * converts, compiles and runs successfully;
201    
202    checkpoint57p_post
203    o reading of delXfile & delYfile moved from ini_parms.F to ini_grid.F
204    o move ${PKG}_MNC_INIT from ${PKG}_READ_PARAMS to ${PKG}_INIT_FIXED
205      (already the case for some pkgs, including recent MNC_init, e.g. thsice)
206    o call CALC_GW from DYNAMICS (instead of from FORWARD_STEP)
207    o Dissipation & phiHyd gradient are always added to gU,gV in timestep.F
208      (was already the case for dissipation with mom_vecinv,
209       and also the case for grad.PhiHyd when staggered-timeStep)
210      This will allow to put dissipation out-off the AB time-stepping.
211     Unfortunately, affects truncation error. Update output of exp. that "fails"
212      (cg2d matching number) and leave the others for later: front_relax(10),
213      global_ocean_pressure(10),ideal_2D_oce(10),internal_wave(9),lab_sea(12),
214      matrix_example(7!),natl_box(12),plume_on_slope(11),vermix(12x3,11x2).
215    
216    checkpoint57o_post
217    o fix MNC/MDSIO flags in PTRACERS so that (1) it works, and
218      (2) its ready to be documented during the 20050801 DocFest
219    o MNC-ify the gmredi package -- tested and works w/ and w/o mnc
220      for ideal_2D_oce and lab_sea on linux_ia32_g77
221    o set to #undef CTRL_SET_OLD_MAXCVARS_30
222      in global1x1_tot/code_seaice_adj to access indices 32, 33
223      (worth another tag)
224    
225    checkpoint57n_post
226    o adding precip control xx_precip 32
227    o adding swflux control xx_swflux 33
228    o Replacing 10 forcing penalty cost routines by 1 generic.
229    o Implementing partitioning in time-mean and variable adjustment
230      for atmos. state.
231    o Time-mean constant error is now read in data.ecco (instead of hard-coded)
232  o in natl_box_adjoint:  o in natl_box_adjoint:
233    * updated: results_bulk/    * updated exp 1 to 10
234    * not yet updated: results/, results_seaice/      (but does not have time-mean vs. variable split results yet)
235    o updated global1x1/*_seaice_adj/
236      to incorporate latest changes
237    o enable useSingleCpuIO for mdsio vector routines
238      (applies in particular to tapelev I/O)
239    o removed inefficient K-loop in all active_file*control*.F
240    
241  checkpoint57m_post  checkpoint57m_post
242  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)  o re-arrange exp. adjustment.cs-32x32x1 (adjust_nlfs.cs-32x32x1 merge into)

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